* Ayrıca `last_query` adında opsiyonel bir cookie'yi `str` olarak tanımlar.
    * Kullanıcı herhangi bir query `q` sağlamadıysa, daha önce cookie'ye kaydettiğimiz en son kullanılan query'yi kullanırız.

## Bağımlılığı Kullanma { #use-the-dependency }

Sonra bu bağımlılığı şöyle kullanabiliriz:

{* ../../docs_src/dependencies/tutorial005_an_py310.py hl[23] *}

/// info | Bilgi

	values = expandValues(values)

	if association.Error == nil {
		reflectValue := association.DB.Statement.ReflectValue
		rel := association.Relationship

		var oldBelongsToExpr clause.Expression
		// we have to record the old BelongsTo value
		if association.Unscope && rel.Type == schema.BelongsTo {
			var foreignFields []*schema.Field
			for _, ref := range rel.References {
				if !ref.OwnPrimaryKey {

Теперь, отталкиваясь от предыдущей главы, добавим недостающие части, чтобы получить полный поток безопасности.

## Получение `username` и `password` { #get-the-username-and-password }

Для получения `username` и `password` мы будем использовать утилиты безопасности **FastAPI**.

```Python hl_lines="1"
async def get_burgers(number: int):
    # Do some asynchronous stuff to create the burgers
    return burgers
```

...而不是 `def`:

```Python hl_lines="2"
# This is not asynchronous
def get_sequential_burgers(number: int):
    # Do some sequential stuff to create the burgers
    return burgers
```

使用 `async def`，Python 知道在該函式內需要注意 `await`，並且它可以「暫停」 ⏸ 執行該函式，然後執行其他任務 🔀 後回來。

package grid

import "strconv"

func _() {
	// An "invalid array index" compiler error signifies that the constant values have changed.
	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[handlerInvalid-0]
	_ = x[HandlerLockLock-1]
	_ = x[HandlerLockRLock-2]
	_ = x[HandlerLockUnlock-3]
	_ = x[HandlerLockRUnlock-4]

#### El tiempo de respuesta ayuda a los atacantes { #the-time-to-answer-helps-the-attackers }

    opt Tasks
        operation -->> tasks: Send background tasks
    end
    opt Raise other exception
        tasks -->> tasks: Handle exceptions in the background task code
    end
```

/// info

只會向用戶端送出「一個回應」。可能是其中一個錯誤回應，或是來自該路徑操作的回應。

一旦送出了其中一個回應，就不能再送出其他回應。

///

/// tip

{* ../../docs_src/handling_errors/tutorial001_py310.py hl[11] *}

### Возвращаемый ответ { #the-resulting-response }

Если клиент запросит `http://example.com/items/foo` (`item_id` `"foo"`), то он получит статус-код 200 и ответ в формате JSON:

```JSON
{
  "item": "The Foo Wrestlers"
}
```

```JSON hl_lines="2"
{
    "item": {
        "name": "Foo",
        "description": "The pretender",
        "price": 42.0,
        "tax": 3.2
    }
}
```

şunun yerine:

```JSON
{
    "name": "Foo",
    "description": "The pretender",
    "price": 42.0,
    "tax": 3.2
}
```

## Özet { #recap }

				err = msgp.WrapError(err, zb0001, zb0003)
				return
			}
		}
		(*z)[zb0001] = zb0002
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z localLockMap) Msgsize() (s int) {
	s = msgp.MapHeaderSize
	if z != nil {
		for zb0006, zb0007 := range z {
			_ = zb0007